1
general::
Phrase(s): out of turn
not at the proper time; not in the proper or expected order. • We were permitted to be served out of turn because we had to leave early. • Bill tried to register out of turn and was sent away.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Not in the proper order or sequence, as in When her doubles partner began to serve out of turn, their opponents called the umpire. [Late 1800s] 2. In an inappropriate manner or at an inappropriate time, as in I may be out of turn telling you, but shorts are not permitted in the restaurant. [First half of 1900s] Also see SPEAK OUT OF TURN.
American Heritage Idioms